1122213443 has 16 divisors (see below), whose sum is σ = 1220498496. Its totient is φ = 1025679360.

The previous prime is 1122213431. The next prime is 1122213487. The reversal of 1122213443 is 3443122211.

It is a cyclic number.

It is not a de Polignac number, because 1122213443 - 2⁸ = 1122213187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122213413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141130 + ... + 1142112.

It is an arithmetic number, because the mean of its divisors is an integer number (76281156).

Almost surely, 2^1122213443 is an apocalyptic number.

1122213443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1122213443 is a deficient number, since it is larger than the sum of its proper divisors (98285053).

1122213443 is a wasteful number, since it uses less digits than its factorization.

1122213443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774.

The product of its digits is 1152, while the sum is 23.

The square root of 1122213443 is about 33499.4543686908. The cubic root of 1122213443 is about 1039.1824945769.

Adding to 1122213443 its reverse (3443122211), we get a palindrome (4565335654).

The spelling of 1122213443 in words is "one billion, one hundred twenty-two million, two hundred thirteen thousand, four hundred forty-three".